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9-sinf Informatika olimpiada

InfoMaster

May 31, 2022

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9-sinf Informatika olimpiada

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Ismi familiyangizni kriting!

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1. from math import *
a=225 s=sqrt(a)-pow(15 , 2)
print(s) dastur natijasini toping

A) -100

B) -210

C) 200

D) 110

2 / 21

2. from math import *
a=16 s=sqrt(a)*pow(2,2)
print(s) dastur natijasini toping

A) 14

B) 15

C) 13

D) 16

3 / 21

3. from math import *
s=sqrt(36/49)-pow(5/7,2)
print(s) dastur natijasini toping

A) 17/49

B) 34/49

C) 26/49

D) 24/49

4 / 21

4. acos(x) funksiyaning vazifasini toping

A) x ning arksinusini hisoblaydi

B) x ning arktangensini hisoblaydi

C) x ning arkkosinusini hisoblaydi

D) x ning tangensini hisoblaydi

5 / 21

5. pow(x, n) funksiyaning vazifasini toping

A) b asosga ko‘ra a logarifmini hisoblaydi

B) x ning kvadrat ildizini hisoblaydi

C) x ning ndarajasini hisoblaydi

D) x sonining o‘nli logarifmini hisoblaydi

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6. Pythonda takrorlanishlar soni nomaʼlum bo‘lganda qo'llaniladigan operator qaysi?

A) while..do

B) repeat

C) while

D) for

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7. Brauzerda “a⁷” yozuvini aks ettirish uchun teglar to‘g‘ri berilgan javobni ko‘rsating.

A) a⁷

B) a₇

C) a7

D) a7

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8. Python dastur lavhasi bajarilgach butun qiymatli a va b o‘zgaruvchilar qiymatini aniqlang:
a= 1511
b= (a % 100)*10+9
a= (10*b+a) // 100
print(a,b)

A) a=27, b=119

B) a=27, b=19

C) a=119, b=27

D) a=37, b=119

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9. 516 va 457 sonlar yig‘indisidan 366 sonini ayirmasi hisoblanganda, 607soni hosil bo‘ldi. Yig‘indi qaysi sanoq sistemasida bajarilgan?

A) 9

B) 8

C) 12

D) 10

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10. MS Excel. A1=–3, B1=7, B2=2 bo‘lsin. Quyidagi formula natijasi –15 bo‘lishi uchun A2 katakka kiritish zarur bo‘lgan qiymatni aniqlang:

=ЕСЛИ(ИЛИ(A1+B2>=A2*B1;A1*B1>0);A1*B2–B1–A2;A1*B1+B2+A2)

A) 1

B) 4

C) 2

D) 6

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11. MS Excel. Al=8, A2=- 7, B1=-19, B2=13, Cl=Informatika, C2=Universitet, Dl=ABS($Al+Bl)+ ДЛСТР (Cl) berilgan. Agar D1 katakni D2 katakka nusxalansa, D1 va D2 kataklarida hosil bo’ladigan sonlar yig‘indisini toping.

A) 35

B) 49

C) 55

D) 39

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12. Beshlik sanoq sistemasida 0 dan 24 gacha bo‘lgan butun sonlar ketma-ket yozilsa, qatorda nechta son bo‘ladi?

A) 15

B) 18

C) 12

D) 25

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13. O’nlik asosga ega sanoq tizimida 274 soni 1AA shaklida yoziladi. Ushbu asosni 4 lik sanoq sistemasida ko‘rsating?

A) 12

B) 30

C) 100

D) 110

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14. 12 lik sanoq sistemasidagi 6B5,A sonni, 6 lik sanoq sistemasidagi 425,2 soniga yig‘indisini toping. Natijani 8 lik sanoq sistemasida tasvirlang?

A) 2213,125

B) 2233,125

C) 2113,115

D) 25632

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15. MS Excelda B2=7 ga, D5= -3 bo`lganda. Quyidagi formula natijasinianiqlang: =ЕСЛИ(D5>B2;ДЛСТР(ЗАМЕНИТЬ("Olimpiada";2;5;"sam"));СЧЁТЕСЛИ(A1:E6;""))

A) 0

B) 5

C) 7

D) 28

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16. MS Excel. A1=57, Bl=114, Cl=4, A2=228, B2=285, C2=Avtomexanik berilgan bo‘lsa, =ПСТР(С2;5+СЧЁТЕСЛИ(А1:B2; ”>56”);C1) formula qiymatini toping.

A) Avtom

B) mex

C) anik

D) exanik

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17. 86 sahifadan iborat axborot bor. Har bir sahifada 48 ta satr, har bir satrda 72 tadan belgi bor. Axborot hajmini bit o‘lchov birligidagi qiymatining kilobayt o‘lchov birligidagi qiymatiga nisbatini aniqlang?

A) 2377728

B) 290,25

C) 324,5

D) 8192

18 / 21

18. Oq – qora tasvir 32 ta rang ko‘lamiga ega. Tasvir o‘lchami 20x25 sm. Ekran imkoniyati 1 dyumga 120 ta nuqta. Tasvirning axborot hajmi necha Kbayt bo‘ladi? (1 dyum = 2,5 sm)

A) 703,125

B) 704

C) 5655

D) 5525

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19. MS Excel. A1=–3, B1=7, B2=2 bo‘lsin. Quyidagi formula natijasi –15 bo‘lishi uchun A2 katakka kiritish zarur bo‘lgan qiymatni aniqlang:

=ЕСЛИ(ИЛИ(A1+B2>=A2*B1;A1*B1>0);A1*B2–B1–A2;A1*B1+B2+A2)

A) 6

B) 2

C) 1

D) 4

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20. F(n) funksiyasi qiymatini hisoblash algoritmi quyidagicha berilgan:
n ≤2 da F(n) = 3; n> 2 da F(n) = 5 ∙ F(n−1) –4 ∙ F(n−2), buyerda n – natural son. F(15) ning qiymatini aniqlang.

A) 3

B) 2

C) 5

D) 4

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21. 7 ta pozitsiyada 0 va 1 orqali kodlash mumkin bo‘lgan eng katta natural son bilan eng kichik natural sonlarning yig‘indisini toping.

A) 512

B) 64

C) 128

D) 256